當需要在一個列表中顯示主從表（例如部門-人員的信息），在asp.net1.1中我們可能會使用DataGrid模版列嵌套DataGrid的方法實現，然而，處理模版列里的DataGrid的翻頁、排序、編輯等功能時都比較麻煩。在asp.net2.0中，配合DataSource控件的使用讓這個問題變得非常簡單！
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridView_GirdView.aspx.cs" Inherits="GridSamples_GridView_GirdView" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns="
http://www.w3.org/1999/xhtml
" >
<head runat="server">
<title>無標題頁</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="deptid"
DataSourceID="AccessDataSource1" AllowPaging="True" AllowSorting="True" PageSize="2" OnRowDataBound="GridView1_RowDataBound">
<Columns>
<asp:BoundField DataField="deptid" HeaderText="部門編號" InsertVisible="False" ReadOnly="True"
SortExpression="deptid" />
<asp:BoundField DataField="deptname" HeaderText="部門名稱" SortExpression="deptname" />
<asp:BoundField DataField="deptremark" HeaderText="備注" SortExpression="deptremark" />
<asp:TemplateField HeaderText="人員信息">
<ItemTemplate>
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataKeyNames="id"
DataSourceID="AccessDataSource2" AllowPaging="True" AllowSorting="True" PageSize="5">
<Columns>
<asp:BoundField DataField="id" HeaderText="人員編號" InsertVisible="False" ReadOnly="True"
SortExpression="id" />
<asp:BoundField DataField="name" HeaderText="姓名" SortExpression="name" />
<asp:BoundField DataField="sex" HeaderText="性別" SortExpression="sex" />
</Columns>
<PagerSettings FirstPageText="首頁" LastPageText="末頁" Mode="NextPreviousFirstLast"
NextPageText="下一頁" PreviousPageText="上一頁" />
</asp:GridView>
<asp:AccessDataSource ID="AccessDataSource2" runat="server" DataFile="~/App_Data/test.mdb"
SelectCommand="SELECT [id], [name], [sex], [deptid] FROM WHERE ([deptid] = ?)">
<SelectParameters>
<asp:Parameter Name="deptid" Type="Int32" />
</SelectParameters>
</asp:AccessDataSource><br>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerSettings FirstPageText="首頁" LastPageText="末頁"
NextPageText="下一頁" PreviousPageText="上一頁" />
</asp:GridView>
<asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="~/App_Data/test.mdb"
SelectCommand="SELECT [deptid], [deptname], [deptremark], [createdate] FROM [departments]">
</asp:AccessDataSource>
</div>
</form>
</body>
</html>
1using System;
2using System.Data;
3using System.Configuration;
4using System.Collections;
5using System.Web;
6using System.Web.Security;
7using System.Web.UI;
8using System.Web.UI.WebControls;
9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11
12public partial class GridSamples_GridView_GirdView : System.Web.UI.Page
13{
14 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
15 {
16 if (e.Row.RowIndex > -1)
17 {
18 AccessDataSource accessDS = e.Row.FindControl("AccessDataSource2") as AccessDataSource;
19 accessDS.SelectParameters["deptid"].DefaultValue = e.Row.Cells[0].Text;
20 }
21 }
22}
只需要上面幾行簡單的代碼便可以實現。
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